The 1990 Senior PGA Tour was the 11th season since the Senior PGA Tour officially began in 1980 (it was renamed the Champions Tour in October 2002 and has been known as PGA Tour Champions since the 2016 season). The season consisted of 38 official money events with purses totalling $17,800,000, including four majors. Lee Trevino won the most tournaments, seven. The tournament results, leaders, and award winners are listed below.